| Value | Category | Cases | |
|---|---|---|---|
| 1 | medium | 18 |
34.6%
|
| 2 | no pressure | 11 |
21.2%
|
| 3 | low | 19 |
36.5%
|
| 4 | high | 4 |
7.7%
|
| Sysmiss | 97 |